The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 13, 2006
Filed:
Jun. 26, 2003
Applicants:
Massimo Ferrari, Cenate Sotto, IT;
Marcello Ghezzi, Curno, IT;
Manuel Alberelli, Grone, IT;
Alberto Ambrosini, Lallio, IT;
Inventors:
Massimo Ferrari, Cenate Sotto, IT;
Marcello Ghezzi, Curno, IT;
Manuel Alberelli, Grone, IT;
Alberto Ambrosini, Lallio, IT;
Assignee:
Erregierre, S.P.A., San Paolo D'Argon, IT;
Primary Examiner:
Int. Cl.
CPC ...
C07D 211/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Synthetic process of isobutyl methyl 1,4,-dihydro-2,6-dimethyl-4-(2-nitrophenyl)3,5-pyridine dicarboxylate (Nisoldipine) comprising on the reaction of isobutyl 2-(2-nitrobenzylidene)acetoacetate with methyl 3-aminocrotonate in an apolar solvent.